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[PATCH v8 14/22] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_st
From: |
Richard Henderson |
Subject: |
[PATCH v8 14/22] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state |
Date: |
Fri, 18 Oct 2019 10:44:23 -0700 |
By performing this store early, we avoid having to save and restore
the register holding the address around any function calls.
Reviewed-by: Alex Bennée <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
target/arm/helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 3f7d3f257d..37424e3d4d 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -11225,6 +11225,7 @@ void cpu_get_tb_cpu_state(CPUARMState *env,
target_ulong *pc,
{
uint32_t flags, pstate_for_ss;
+ *cs_base = 0;
flags = rebuild_hflags_internal(env);
if (is_a64(env)) {
@@ -11298,7 +11299,6 @@ void cpu_get_tb_cpu_state(CPUARMState *env,
target_ulong *pc,
}
*pflags = flags;
- *cs_base = 0;
}
#ifdef TARGET_AARCH64
--
2.17.1
- [PATCH v8 02/22] target/arm: Split out rebuild_hflags_a64, (continued)
- [PATCH v8 02/22] target/arm: Split out rebuild_hflags_a64, Richard Henderson, 2019/10/18
- [PATCH v8 03/22] target/arm: Split out rebuild_hflags_common_32, Richard Henderson, 2019/10/18
- [PATCH v8 01/22] target/arm: Split out rebuild_hflags_common, Richard Henderson, 2019/10/18
- [PATCH v8 07/22] target/arm: Split out rebuild_hflags_a32, Richard Henderson, 2019/10/18
- [PATCH v8 06/22] target/arm: Reduce tests vs M-profile in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/18
- [PATCH v8 05/22] target/arm: Split out rebuild_hflags_m32, Richard Henderson, 2019/10/18
- [PATCH v8 04/22] target/arm: Split arm_cpu_data_is_big_endian, Richard Henderson, 2019/10/18
- [PATCH v8 08/22] target/arm: Split out rebuild_hflags_aprofile, Richard Henderson, 2019/10/18
- [PATCH v8 10/22] target/arm: Simplify set of PSTATE_SS in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/18
- [PATCH v8 09/22] target/arm: Hoist XSCALE_CPAR, VECLEN, VECSTRIDE in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/18
- [PATCH v8 14/22] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state,
Richard Henderson <=
- [PATCH v8 15/22] target/arm: Add HELPER(rebuild_hflags_{a32, a64, m32}), Richard Henderson, 2019/10/18
- [PATCH v8 11/22] target/arm: Hoist computation of TBFLAG_A32.VFPEN, Richard Henderson, 2019/10/18
- [PATCH v8 12/22] target/arm: Add arm_rebuild_hflags, Richard Henderson, 2019/10/18
- [PATCH v8 13/22] target/arm: Split out arm_mmu_idx_el, Richard Henderson, 2019/10/18
- [PATCH v8 17/22] target/arm: Rebuild hflags at MSR writes, Richard Henderson, 2019/10/18
- [PATCH v8 18/22] target/arm: Rebuild hflags at CPSR writes, Richard Henderson, 2019/10/18
- [PATCH v8 16/22] target/arm: Rebuild hflags at EL changes, Richard Henderson, 2019/10/18
- [PATCH v8 19/22] target/arm: Rebuild hflags at Xscale SCTLR writes, Richard Henderson, 2019/10/18
- [PATCH v8 20/22] target/arm: Rebuild hflags for M-profile, Richard Henderson, 2019/10/18
- [PATCH v8 21/22] target/arm: Rebuild hflags for M-profile NVIC, Richard Henderson, 2019/10/18